diff --git a/5.6/Dockerfile b/5.6/Dockerfile
index 491ace3..ce35189 100644
--- a/5.6/Dockerfile
+++ b/5.6/Dockerfile
@@ -1,5 +1,5 @@
 FROM mlocati/php-extension-installer:latest AS php-extension-installer
-FROM php:5.6-apache
+FROM php:8.5-apache
 
 ENV COMPOSER_ALLOW_SUPERUSER=1
 
diff --git a/7.4-ci/Dockerfile b/7.4-ci/Dockerfile
index 495bf86..0ecb4df 100644
--- a/7.4-ci/Dockerfile
+++ b/7.4-ci/Dockerfile
@@ -1,5 +1,5 @@
 FROM mlocati/php-extension-installer:latest AS php-extension-installer
-FROM php:7.4-alpine
+FROM php:8.5-alpine
 
 ENV COMPOSER_ALLOW_SUPERUSER=1
 
diff --git a/7.4-symfony/Dockerfile b/7.4-symfony/Dockerfile
index 7371c06..a700e62 100644
--- a/7.4-symfony/Dockerfile
+++ b/7.4-symfony/Dockerfile
@@ -1,5 +1,5 @@
 FROM mlocati/php-extension-installer:latest AS php-extension-installer
-FROM php:7.4-apache
+FROM php:8.5-apache
 
 ENV COMPOSER_ALLOW_SUPERUSER=1
 
diff --git a/7.4/Dockerfile b/7.4/Dockerfile
index d96347e..f5ea7e1 100644
--- a/7.4/Dockerfile
+++ b/7.4/Dockerfile
@@ -1,5 +1,5 @@
 FROM mlocati/php-extension-installer:latest AS php-extension-installer
-FROM php:7.4-apache
+FROM php:8.5-apache
 
 ENV COMPOSER_ALLOW_SUPERUSER=1